# US 12,004,064 B2 · Method and non-transitory computer-readable storage medium and apparatus for receiving Bluetooth packets and correcting error bits therein > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,004,064 B2 - Document ID: US12004064B2 - Status: Granted - Kind: B2 - Application number: 17/850,357 - Filed: 2022-06-27 - Published: 2023-03-02 - Granted: 2024-06-04 - Earliest claimed: 2021-08-27 - Assignees: Airoha Technology Corp. - Applicants: Airoha Technology Corp. - Inventors: Wen-Tsung Huang - Web page: https://patentgrep.com/patent/US12004064B2 ## CPC - H04L 1/0061: {Error detection codes} - H04W 4/80: Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication - H04L 1/0045: {Arrangements at the receiver end} - H04W 76/10: Connection setup - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract The invention relates to a method, a non-transitory computer-readable storage medium, and an apparatus for receiving Bluetooth packets and correcting error bits therein. The method, which is performed by a processing unit, includes: receiving Bluetooth packets from radio frequency (RF) signal; verifying a unique synthesized packet with a first checksum thereof when the unique synthesized packet can be generated from the Bluetooth packets; generating synthesized packet candidates according to at least one inconsistent bit between the Bluetooth packets and verifying each synthesized packet candidate with a second checksum thereof when the unique synthesized packet cannot be generated from the Bluetooth packets; and transmitting a synthesized packet that has passed a verification to a program module for an application when the unique synthesized packet or any of the synthesized packet candidates passes the verification. ## Claims ### Claim 1 A method for receiving Bluetooth packets and correcting error bits therein, performed by a processing unit, comprising: receiving a plurality of Bluetooth packets from radio frequency (RF) signal; verifying a unique synthesized packet with a first checksum thereof when the unique synthesized packet can be generated from the Bluetooth packets; generating a plurality of synthesized packet candidates according to at least one inconsistent bit between the Bluetooth packets and verifying each synthesized packet candidate with a second checksum thereof when the unique synthesized packet cannot be generated from the Bluetooth packets; and transmitting a synthesized packet to a program module for an application when the unique synthesized packet or any of the synthesized packet candidates passes the verification as the synthesized packet. ### Claim 2 (depends on 1) The method of claim 1, comprising: activating a retransmission operation when one of the verification of the unique synthesized packet and the verification of the synthesized packet candidates fails. ### Claim 3 (depends on 1) The method of claim 1, comprising: determining whether the unique synthesized packet can be generated by performing a majority decision on the inconsistent bit between the Bluetooth packets. ### Claim 4 (depends on 1) The method of claim 1, wherein the synthesized packet candidates are used to represent all possible combinations of the inconsistent bits between the Bluetooth packets. ### Claim 5 (depends on 1) The method of claim 1, comprising: establishing a connection-oriented isochronous channel with a transmitter, wherein the connection-oriented isochronous channel uses a logical transport of a Low Energy Connected Isochronous Stream (LE-CIS), and setting a framed parameter of the LE-CIS as an unframed data packet data unit (PDU); and receiving the Bluetooth packets from the transmitter on the LE-CIS. ### Claim 6 (depends on 1) The method of claim 1, comprising: establishing a connectionless isochronous channel with a transmitter, wherein the connectionless isochronous channel uses a logical transport of a Low Energy Broadcast Isochronous Stream (LE-BIS), and setting a framing parameter of the LE-BIS as an unframed data packet data unit (PDU); and receiving the Bluetooth packets from the transmitter on the LE-BIS. ### Claim 7 (depends on 1) The method of claim 1, comprising: establishing a synchronous connection oriented (SCO)/enhanced synchronous connection oriented (eSCO) link with a transmitter; and receiving the Bluetooth packets from the transmitter on the SCO/eSCO link. ### Claim 8 A non-transitory computer-readable storage medium having stored therein program code that, when loaded and executed by a processing unit, cause the processing unit to perform a method of receiving Bluetooth packets and correcting error bits therein to: receive a plurality of Bluetooth packets from radio frequency (RF) signal; verify a unique synthesized packet with a first checksum thereof when the unique synthesized packet can be generated from the Bluetooth packets; generate a plurality of synthesized packet candidates according to at least one inconsistent bit between the Bluetooth packets and verify each synthesized packet candidate with a second checksum thereof when the unique synthesized packet cannot be generated from the Bluetooth packets; and transmit a synthesized packet to a program module for an application when the unique synthesized packet or any of the synthesized packet candidates passes the verification as the synthesized packet. ### Claim 9 (depends on 8) The non-transitory computer-readable storage medium of claim 8, comprising program code to: activate a retransmission operation when one of the verification of the unique synthesized packet and the verification of the synthesized packet candidates fails. ### Claim 10 (depends on 8) The non-transitory computer-readable storage medium of claim 8, comprising program code to: determine whether the unique synthesized packet can be generated by performing a majority decision on the inconsistent bit between the Bluetooth packets. ### Claim 11 (depends on 8) The non-transitory computer-readable storage medium of claim 8, wherein the synthesized packet candidates are used to represent all possible combinations of the inconsistent bits between the Bluetooth packets. ### Claim 12 (depends on 8) The non-transitory computer-readable storage medium of claim 8, comprising program code to: establish a connection-oriented isochronous channel with a transmitter, wherein the connection-oriented isochronous channel uses a logical transport of a Low Energy Connected Isochronous Stream (LE-CIS), and set a framed parameter of the LE-CIS as an unframed data packet data unit (PDU); and receive the Bluetooth packets from the transmitter on the LE-CIS. ### Claim 13 (depends on 8) The non-transitory computer-readable storage medium of claim 8, comprising program code to: establish a connectionless isochronous channel with a transmitter, wherein the connectionless isochronous channel uses a logical transport of a Low Energy Broadcast Isochronous Stream (LE-BIS), and set a framing parameter of the LE-BIS as an unframed data packet data unit (PDU); and receive the Bluetooth packets from the transmitter on the LE-BIS. ### Claim 14 (depends on 8) The non-transitory computer-readable storage medium of claim 8, comprising program code to: establish a synchronous connection oriented (SCO)/enhanced synchronous connection oriented (eSCO) link with a transmitter; and receive the Bluetooth packets from the transmitter on the SCO/eSCO link. ### Claim 15 An apparatus for receiving Bluetooth packets and correcting error bits therein, comprising: a processing unit, arranged operably to: receive a plurality of Bluetooth packets from radio frequency (RF) signal through a RF module and a modulator-demodulator (modem); verify a unique synthesized packet with a first checksum thereof when the unique synthesized packet can be generated from the Bluetooth packets; generate a plurality of synthesized packet candidates according to at least one inconsistent bit between the Bluetooth packets and verify each synthesized packet candidate with a second checksum thereof when the unique synthesized packet cannot be generated from the Bluetooth packets; transmit a synthesized packet to a program module for an application when the unique synthesized packet or any of the synthesized packet candidates passes the verification as the synthesized packet; and activate a retransmission operation when one of the verification of the unique synthesized packet and the verification of the synthesized packet candidates fails. ### Claim 16 (depends on 15) The apparatus of claim 15, wherein the processing unit is arranged operably to: determine whether the unique synthesized packet can be generated by performing a majority decision on the inconsistent bit between the Bluetooth packets. ### Claim 17 (depends on 15) The apparatus of claim 15, wherein the synthesized packet candidates are used to represent all possible combinations of the inconsistent bits between the Bluetooth packets. ### Claim 18 (depends on 15) The apparatus of claim 15, wherein the processing unit is arranged operably to: establish a connection-oriented isochronous channel with a transmitter through the RF module and the modem, wherein the connection-oriented isochronous channel uses a logical transport of a Low Energy Connected Isochronous Stream (LE-CIS), and set a framed parameter of the LE-CIS as an unframed data packet data unit (PDU); and receive the Bluetooth packets from the transmitter on the LE-CIS. ### Claim 19 (depends on 15) The apparatus of claim 15, wherein the processing unit is arranged operably to: establish a connectionless isochronous channel with a transmitter through the RF module and the modem, wherein the connectionless isochronous channel uses a logical transport of a Low Energy Broadcast Isochronous Stream (LE-BIS), and set a framing parameter of the LE-BIS as an unframed data packet data unit (PDU); and receive the Bluetooth packets from the transmitter on the LE-BIS. ### Claim 20 (depends on 15) The apparatus of claim 15, wherein the processing unit is arranged operably to: establish a synchronous connection oriented (SCO)/enhanced synchronous connection oriented (eSCO) with a transmitter through the RF module and the modem; and receive the Bluetooth packets from the transmitter on the SCO/eSCO link.